private static System.String encodePrimitive(Primitive p, EncodingCharacters encodingChars)
{
System.String val = ((Primitive)p).Value;
if (val == null)
{
val = "";
}
else
{
val = Escape.escape(val, encodingChars);
}
return(val);
}
public static System.String encode(Segment source, EncodingCharacters encodingChars)
{
System.Text.StringBuilder result = new System.Text.StringBuilder();
result.Append(source.getStructureName());
result.Append(encodingChars.FieldSeparator);
//start at field 2 for MSH segment because field 1 is the field delimiter
int startAt = 1;
if (isDelimDefSegment(source.getStructureName()))
{
startAt = 2;
}
//loop through fields; for every field delimit any repetitions and add field delimiter after ...
int numFields = source.numFields();
for (int i = startAt; i <= numFields; i++)
{
try
{
Type[] reps = source.getField(i);
for (int j = 0; j < reps.Length; j++)
{
System.String fieldText = encode(reps[j], encodingChars);
//if this is MSH-2, then it shouldn't be escaped, so unescape it again
if (isDelimDefSegment(source.getStructureName()) && i == 2)
{
fieldText = Escape.unescape(fieldText, encodingChars);
}
result.Append(fieldText);
if (j < reps.Length - 1)
{
result.Append(encodingChars.RepetitionSeparator);
}
}
}
catch (HL7Exception e)
{
log.error("Error while encoding segment: ", e);
}
result.Append(encodingChars.FieldSeparator);
}
//strip trailing delimiters ...
return(stripExtraDelimiters(result.ToString(), encodingChars.FieldSeparator));
}
/// <summary> Fills a field with values from an unparsed string representing the field. </summary>
/// <param name="destinationField">the field Type
/// </param>
/// <param name="data">the field string (including all components and subcomponents; not including field delimiters)
/// </param>
/// <param name="encodingCharacters">the encoding characters used in the message
/// </param>
private static void parse(Type destinationField, System.String data, EncodingCharacters encodingCharacters)
{
System.String[] components = split(data, System.Convert.ToString(encodingCharacters.ComponentSeparator));
for (int i = 0; i < components.Length; i++)
{
System.String[] subcomponents = split(components[i], System.Convert.ToString(encodingCharacters.SubcomponentSeparator));
for (int j = 0; j < subcomponents.Length; j++)
{
System.String val = subcomponents[j];
if (val != null)
{
val = Escape.unescape(val, encodingCharacters);
}
Terser.getPrimitive(destinationField, i + 1, j + 1).Value = val;
}
}
}